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13. A lady worked 44 hr one week and earned a $437 paycheck. She earns time and a half (1 .5 times her regular hourly wage) for the number of hours she works in excess of 40. What is her regular hourly wage? Her regular hourly wage is $ (Type an integer or a decimal.) 14. A mother wants to invest $10,000.00 for her son's future education. She invests a portion of the money in a bank certicate of deposit (CD account) which earns 4% and the remainder in a savings bond that earns 7%. lfthe total interest earned after one year is $600.00, how much money was invested in the CD account? The total interest earned after one year is $600.00. How much money was invested in the CD account? $ (Round to the nearest cent, if necessary.) 15. Find the zero of the linear function. f(x) = 14 - x The zero of the function is 16. Find the zero of the linear function. 5 f(x) = Ex - 30 x = (Type an integer or a simplified fraction.)